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-rw-r--r--fs/nfsd/export.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/nfsd/export.h b/fs/nfsd/export.h
index e7daa1f246f0..ee0e3aba4a6e 100644
--- a/fs/nfsd/export.h
+++ b/fs/nfsd/export.h
@@ -6,6 +6,7 @@
#define NFSD_EXPORT_H
#include <linux/sunrpc/cache.h>
+#include <linux/percpu_counter.h>
#include <uapi/linux/nfsd/export.h>
#include <linux/nfs4.h>
@@ -46,6 +47,19 @@ struct exp_flavor_info {
u32 flags;
};
+/* Per-export stats */
+enum {
+ EXP_STATS_FH_STALE,
+ EXP_STATS_IO_READ,
+ EXP_STATS_IO_WRITE,
+ EXP_STATS_COUNTERS_NUM
+};
+
+struct export_stats {
+ time64_t start_time;
+ struct percpu_counter counter[EXP_STATS_COUNTERS_NUM];
+};
+
struct svc_export {
struct cache_head h;
struct auth_domain * ex_client;
@@ -62,6 +76,7 @@ struct svc_export {
struct nfsd4_deviceid_map *ex_devid_map;
struct cache_detail *cd;
struct rcu_head ex_rcu;
+ struct export_stats ex_stats;
};
/* an "export key" (expkey) maps a filehandlefragement to an